Granted Patent
Utility
US 5,730,069 · App. 08/550,535
Lean fuel combustion control method
Inventors:
Dennis W. Coolidge, Timothy J. Kuhn, Franklin G. Rinker, James G. Powers
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Oct 30, 1995
Inventors
Dennis W. Coolidge
Timothy J. Kuhn
Franklin G. Rinker
James G. Powers
Assignee (at issue)
Tek-Kol
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.